let ajaxTimes = 0
export const request = (params) => {
  ajaxTimes++
  wx.showLoading({
    title:'加载中',
    mask:true
  })
  const baseUrl = "https://api-hmugo-web.itheima.net/api/public/v1"
  return new Promise((resolve,reject) => {
    wx.request({
      ...params, 
      url:baseUrl+params.url,
      success: (result) => {
        resolve(result)
      },
      fail:(err) => {
        reject(err)
      },
      complete:() => {
        ajaxTimes--
        if(ajaxTimes===0) {
          // 关闭正在等待的图标
          wx.hideLoading()
        }
      }
    })
  })
}